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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
28/05/2024, 16:17
Behavioral task
behavioral1
Sample
virussign.com_d08810d07fe957283f54cf0564e0bb60.pdf
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
virussign.com_d08810d07fe957283f54cf0564e0bb60.pdf
Resource
win10v2004-20240426-en
General
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Target
virussign.com_d08810d07fe957283f54cf0564e0bb60.pdf
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Size
493KB
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MD5
d08810d07fe957283f54cf0564e0bb60
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SHA1
2d84b5e35ade763f340253e506575f8b55df96b8
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SHA256
31a0368935a0a7a357d1fb46c9c2905a57f2c8627f93273f5b93ae6368e28f8b
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SHA512
84eedd297b1a6e7f52f25124d31c4c237ecdf542fd2522d09a193fa859683baf6bfe20fb734ffafc9745bc5af06b7eb1f3dade27618f171ba6f168685959d2de
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SSDEEP
12288:k8CM1kNKrPWapb8xal11J1k26f7+vUfnAM4:oM1wPe1A7+sf14
Malware Config
Signatures
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AcroRd32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 2852 AcroRd32.exe 2852 AcroRd32.exe 2852 AcroRd32.exe 2852 AcroRd32.exe 2852 AcroRd32.exe 2852 AcroRd32.exe 2852 AcroRd32.exe 2852 AcroRd32.exe 2852 AcroRd32.exe 2852 AcroRd32.exe 2852 AcroRd32.exe 2852 AcroRd32.exe 2852 AcroRd32.exe 2852 AcroRd32.exe 2852 AcroRd32.exe 2852 AcroRd32.exe 2852 AcroRd32.exe 2852 AcroRd32.exe 2852 AcroRd32.exe 2852 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2852 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2852 AcroRd32.exe 2852 AcroRd32.exe 2852 AcroRd32.exe 2852 AcroRd32.exe 2852 AcroRd32.exe 2852 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2852 wrote to memory of 2300 2852 AcroRd32.exe 86 PID 2852 wrote to memory of 2300 2852 AcroRd32.exe 86 PID 2852 wrote to memory of 2300 2852 AcroRd32.exe 86 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 4844 2300 RdrCEF.exe 89 PID 2300 wrote to memory of 2740 2300 RdrCEF.exe 90 PID 2300 wrote to memory of 2740 2300 RdrCEF.exe 90 PID 2300 wrote to memory of 2740 2300 RdrCEF.exe 90 PID 2300 wrote to memory of 2740 2300 RdrCEF.exe 90 PID 2300 wrote to memory of 2740 2300 RdrCEF.exe 90 PID 2300 wrote to memory of 2740 2300 RdrCEF.exe 90 PID 2300 wrote to memory of 2740 2300 RdrCEF.exe 90 PID 2300 wrote to memory of 2740 2300 RdrCEF.exe 90 PID 2300 wrote to memory of 2740 2300 RdrCEF.exe 90 PID 2300 wrote to memory of 2740 2300 RdrCEF.exe 90 PID 2300 wrote to memory of 2740 2300 RdrCEF.exe 90 PID 2300 wrote to memory of 2740 2300 RdrCEF.exe 90 PID 2300 wrote to memory of 2740 2300 RdrCEF.exe 90 PID 2300 wrote to memory of 2740 2300 RdrCEF.exe 90 PID 2300 wrote to memory of 2740 2300 RdrCEF.exe 90 PID 2300 wrote to memory of 2740 2300 RdrCEF.exe 90 PID 2300 wrote to memory of 2740 2300 RdrCEF.exe 90 PID 2300 wrote to memory of 2740 2300 RdrCEF.exe 90 PID 2300 wrote to memory of 2740 2300 RdrCEF.exe 90 PID 2300 wrote to memory of 2740 2300 RdrCEF.exe 90
Processes
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\virussign.com_d08810d07fe957283f54cf0564e0bb60.pdf"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2852 -
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=165140432⤵
- Suspicious use of WriteProcessMemory
PID:2300 -
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=0945DB00FE85DAFE0E9255478B6E661F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4844
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=248C6D676C6E98908CE350170865C147 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=248C6D676C6E98908CE350170865C147 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:13⤵PID:2740
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=00DC7840FA98604BC55891AF70B4EC99 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4700
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=706DB949A6E266B32F46B6D63688A6C7 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3276
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=74049C7841AECBD93FFE6A17EDC09632 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=74049C7841AECBD93FFE6A17EDC09632 --renderer-client-id=6 --mojo-platform-channel-handle=2520 --allow-no-sandbox-job /prefetch:13⤵PID:1036
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=BBF160D359F48ABF0F7AEF9159F7D7B9 --mojo-platform-channel-handle=2648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3148
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5a1d210d5a82a29627ccac323bd7c9550
SHA1ec9f5159e2a79eadda06115ad47c6d4d2446d3a4
SHA256c95c8ac3942cdeb6063fb8a32e283e707f776a17d2c29fe84e8e8f2d2f60422f
SHA5120fd01e20e2dd63f6566a5efc0d10da12db3fec03023ba84d96d2a201ca78b4434bd7512b9cc2a55ac332efd876c92a26afb247d9dd5dc83cb3c7353f8e717259
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5